Trans-Dapt V-Belt 2-Groove Water Pump Pulley - 6.3 in Diameter - Chrome - Short Water Pump - Big Block Chevy BR40005 The Hall-effect sync pickup is

The Hall-effect sync pickup is adjustable up to 60 degrees BTDC to meet the needs of most aftermarket ECUs and even is crimped with a 2-pin Weathertight connector

2003-2009 GMC C8500 Topkick

This is Kirkey's most advanced seat

use where Dexron III

1961-1970 Chevrolet C10 Pickup

Trans-Dapt V-Belt 2-Groove Water Pump Pulley - 6.3 in Diameter - Chrome - Short Water Pump - Big Block Chevy BR40005 The Hall-effect sync pickup isTrans Dapt Performance Water Pump Pulley, 2 Groove, 1965 1968 Chevrolet 396 454, Short Water Pump Chrome Trans Dapt Water Pump Pulley 9815 6. 3 in. Diameter 2 3 16 in. Depth Double Groove Short Style Chrome Plated Steel Water Pump Pulley Vehicle Applications: 1968 1968 Chevrolet Chevy II 1966 1968 Chevrolet Biscayne 1966 1968 Chevrolet El Camino 1968 1968 Chevrolet K10 Suburban 1966 1968 Chevrolet Caprice 1967 1967 Chevrolet Camaro 1968 1968 Chevrolet